kate middleton is reportedly going through. buckingham palace forced to the announce her pregnancy after prince william seen with his wife whisked tthe hospital. in a rest interest interview with katie princwilliam hinted they may preparg to start a family. >> i'm just family we are looking forward to having a family in the future. >> i lost weight during the rst trimester. just all throughout actually i didn't gain whole lot of weight. >>reporter: lastime the world saw the duchess she was playing field hockey on friday. picture of health. now doctorsay she could likely lose up toontinue pounds and suffer from intense nausea that can last the entire pregnancy. doctor say women with hg oftentimes need to be hydrated with iv and givenupplementary nutrient believed hg is caused by higher levels of a pregnancy hormo common in mothers with a similar at any rate. >> hg isore common in people carrying twins. >>reporter: leslie did not have twins and so far buckingham palace is keeping everyone guessing. >> the palace says the royal hiness expected to stay in the hospital for several days